CVE-2026-34979
ADVISORY - nistSummary
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.
EPSS Score: 0.00025 (0.073)
Common Weakness Enumeration (CWE)
ADVISORY - nist
Heap-based Buffer Overflow
ADVISORY - redhat
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-34979
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
5.3mediumAlpine
CREATED
UPDATED
ADVISORY IDCVE-2026-34979
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Debian
CREATED
UPDATED
ADVISORY IDCVE-2026-34979
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Ubuntu
CREATED
UPDATED
ADVISORY IDCVE-2026-34979
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AmediumAmazon
CREATED
UPDATED
ADVISORY IDALAS2-2026-3279
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AhighAmazon
CREATED
UPDATED
ADVISORY IDALAS2023-2026-1635
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AhighRed Hat
CREATED
UPDATED
ADVISORY IDCVE-2026-34979
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
5.3mediumPhoton
CREATED
UPDATED
ADVISORY ID
CVE-2026-34979
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-